Traffic measurement equipment

Details Traffic measurement equipment Traffic measurement equipment

1989-10-12

1991-04-16

Orsino, Joseph A.

Communications: electrical

Vehicle detectors

Speed and overspeed

340939, 340933, G08G 102

Patent

active

050086669

ABSTRACT:
Traffic measurement equipment has a pair of coaxial cables having barium titanate piezo-electric responsive crystals embedded in the polymer together with a vehicle presence detector to indicate all measurements required of traffic including vehicle count, vehicle length, vehicle time of arrival, vehicle speed in any required measure, number of axles per vehicle, axle distance per vehicle, vehicle gap, headway and axle weights.

REFERENCES:
patent: 3398397 (1968-08-01), O'Connell
patent: 4374299 (1983-02-01), Kincaid
patent: 4383239 (1983-05-01), Robert
patent: 4712423 (1987-12-01), Siffert et al.
patent: 4789941 (1988-12-01), Nunberg

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